I just got my first DMCA notication wooohooo!!

The offended company wants me to remove copyrighted images of content posted by it's affiliates at at D 1 a r 1 s t . c o m.
Ok seriously now...
Besides removing the infringing content and banning abusers, is there anything else I should or should not do ?
https://www.ProfessionalBookMarketing.com/
Business Funnels - http://businessfunnels.com